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tail at Biology News

Scientists Replicate Hepatitis C Virus in Laboratory

... infectious. Also, this system only represents the tail end of the viral life cycle ?viral replication, assembly and release from host cells. Another HCV model system is needed to show the beginning stages of the viral life cycle ?viral entry into host cells and viral activity in the host cell before repl...

UCLA scientists transform HIV into cancer-seeking missile

...ted the camouflaged HIV into a vein in the mouse's tail and used a special optical camera to watch the carrier's movement. "The virus traveled through the animal's bloodstream and homed straight to the cancer cells in the lungs, where the melanoma had migrated," said Chen. When the researchers held the ...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...bers of the opposite sex, like the peacock's fancy tail feathers that attract the peahen," Fisher noted. "But no one has studied what happened in the brain of the viewer, the individual that becomes attracted to these traits. Our study indicates what happens in the brain of the viewer as he or she becomes...

Cooperation is key—a new way of looking at MicroRNA and how it controls gene expression

...n. This inherent instability is built into the 3' tail of the mRNA in the form of noncoding stretches of RNA called AU-rich elements. Lots of genes, including inflammatory cytokines and cancer-causing oncogenes, have these AU-rich elements built in. AU-rich element degradation involves a number of diffe...

Basis for DNA ejection from single phage particles

...ral genome is packaged during morphogenesis, and a tail structure that ensures the attachment of the phage...bacterial host's cytoplasm, whereas the capsid and tail remain bound to the cell surface. This situation is very different from that found in most eukaryoti...

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tail at Biology Products

Mouse Anti-HDAC8 Monoclonal Antibody, Unconjugated, Clone HDAC8-48 from GeneTex

...lon-amino groups of lysine residues present in the tail of core histones. The enzymes responsible for reversible acetylation/deacetylation processes are histone acetyltransferases(HATs) and histone deacetylases (HDACs), respectively. HATs act as transcriptional coactivators, and HDACs are part of transcri...

BD BioCoat Collagen I 60 mm Culture Dishes from BD Biosciences - Discovery Labware

...ated polystyrene with a uniform application of rat tail collagen type I. Coating : Collagen I Surface : ECM/attachment factors Surface area : 21.3 cm2 Dim nominal : 60 mm x 15 mm Vol working : 6.0-7.0 ml...

BD BioCoat Collagen I 35 mm Culture Dishes from BD Biosciences - Discovery Labware

...ated polystyrene with a uniform application of rat tail collagen type I....

T7 Phage Capture Plate from Novagen

...activity. The antibody specifically recognizes the tail fiber protein of the T7 bacteriophage. This 8-well strip plate has a capacity of 10 9 phage per well and low non-specific binding. Phage binding is linear over two orders of magnitude. Well-to-well variability is less than 10% and stability is great...
tail at Biology Technology

Easily Amplify Genomic DNA with Long-Distance PCR

...or PCR screening of miceis generally prepared from tail biopsies 2 or blood samples 3 ;however, the routine procedure of clipping the ear or toe to mark the mice 4 provides enough tissue to extract DNA for PCR amplification. The ear clipprocedure is advantageous because not only are mice identified and g...

Fractionating DNA Fragments Generated by Differential Display PCR

... compared using an oligo(dT) primer to the poly(A) tail of the mRNA. PCR amplification is then per...ed using an anchored primer to the poly(A) tail and an arbitrary 5 primer. The PCR amplification produces DNA fragments of lengths that va...

The GeneZoo or the GeneJungle?

...ly use the sequence contiguous to the poly-A tail to perform the clustering, splicing is not a significant factor. We could choose to ignore splice variants when clustering (Figure 2) by eliminating internally unpaired sequence from the computation of alignable length. Howeve...

Intracytoplasmic Spermatocyte Injection (ICSI)

...apillary across the tail, or by pressing the tail of the sperm cell against the bottom of the dish ...ntil it stops moving. The sperm cell is aspirated, tail first into the transfer capillary by rotating the knob of the CellTram Oil. By pressing ...

Mouse Tail Genomic DNA Isolation Protocol(1)

...ntaining genomic DNA. Place a 1 cm tail sample into a 1.5 ml microcentrifuge tube; this ... result in the complete solubilization of the tail fragment. In the case of incomplete digestion, more Proteinase K can be added and the samp...

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tail at Biology Definition

Symbiosis

...f danger the goby fish touches the shrimp with its tail to warn it of imminent danger. When that happens both the shrimp and goby fish quickly retract into the burrow. A famous land version of symbiosis is the relationship of the Egyptian Plover bird and the crocodile . In this relationship, the bird...

Splicing (genetics)

... A trailer that follows the exons; A poly- A tail that follows the trailer; The poly-A tail serves as a stalling mechanism; when exonucleases begin to degrade the 3' end, the long trail of ext...

Sperm

...rmally of a head, basal body (or midpiece ), and tail . The head contains some cytoplasm and the nucl... through the production of ATP . The spermatozoan tail is typically a flagellum used for propulsion. In humans, sperm cells consists of a head 5 m by ...

Protein biosynthesis

...the mRNA to protect it from degradation. A poly-A tail is added on the 3’ end for protection and as a template for further process. Translation Main article: Translation During translation, the message of mRNA is decoded to make proteins . Initiation and elongation occur when the ribosom...

Phage

...200 nm . The vast majority of phages (95%) have a tail to let them inject their genetic material into the host. Phages were discovered independently by Frederick Twort in 1915 and by Flix d’Herelle in 1917. d'Herelle continued his research and development in Stalin 's Soviet Union . Phages inf...

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tail at Biology Dictionary

Y chromosome

...xample, the casting off of a section of a lizard's tail caught in the grasp of a predator. The autotomized appendage is usually regenerated. Full article >>> Sons inherit their Y chromosome from their father. Only a few genes have been identified on the Y chromosome , among them the test...

Wild-type

... in the structure of their cell wall so that the tail fibers of T2 can no longer bind to it. However, T2 can strike back. Full article >>> Plaque assays showed that the efficiency of plating of Bdellovibrio suspension on lawns of the mutant was at least 107 times lower than on the orig...

Virion

... it. The base plate is assembled first, with the tail being built upon it afterwards. Full article >>> The virion s attach to the surface of their host cell (a). The proteins of the capsid inject the DNA core into the cell (b). Full article >>> Before a virus...

Vertebral column

...one). Full article >>> homocercal A tail with the upper and lower lobes symmetrical and the vertebral column ending near the middle of the base , as in most teleost fishes. homodont Having a series of similar, unspecialized teeth. homodont Having all teeth similar in form. Full article ...

Uropod

...oplods that, together with the telson , forms the tail fin of crayfish. Covered in Lab 12 Animal Diversity II ... Full article >>> This rule has caused numerous name changes, especially with fossil organ isms: Brontosaurus is invalid, and the correct name for the big sa uropod dinosa...

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tail at Medicine News

Common contraception

...hat this channel is involved in giving the sperm's tail a kind of turbocharge at the last instant, when it needs more power to penetrate the zona pellucida," Dr Chapman speculated.A contraceptive designed to prevent fertilisation would not interfere with the gene but simply inhibit the ion channel protein...

Artificially made protein to inhibit angiogenesis

...t is produced. The new protein with its amino acid tail will stop the VEGF from leaving the site of production inside the cell, thereby minimizing its potentials. Researchers have used an approach used in gene therapy by putting the manmade gene that makes the interceptors in a carrier called plasmid tha...

Limiting sperm motility for contraception

...m triggers the sperm’s motor proteins, causing the tail to beat.// The CatSper ion channel is found only in a principal section of the sperm’s tail and nowhere else in the body, making it likely that a contraceptive that targets CatSper would have ...

Consumers of soft drinks to be more alert

...wyer from Kerala has claimed to have found a rat's tail in a 200 ml bottle of Fanta, (Batch number 1143 B dated April 13, 2005) a soft drink from the Coca Cola Company.There has been no doubt over the finding and it has been decided to file a petition against // the company under the Prevention of Food Ad...

Therapeutic Monoclonal Antibody Production Is More Profitable Than Small Molecule Drugs

...r of the Propagate study. There are signs that the tail end of a biotherapeutics products life cycle might be more profitable than that of a small molecule drug. However, this high level of success may be difficult to sustain as competition increases, especially in the cancer market, says Propagate’s Coll...

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tail at Medicine Products

Ad-Tech/Wyler Subdural Strip & Grid Electrodes

...eedle to tunnel away from the electrode site. This tail then connects to your EEG/EP equipment quickly and securely. All of these electrode wire carriers are color- coded for easy identification....
tail at Medicine Technology

Spectrum Pharmaceuticals Announces Data From Three Oncology Programs Presented at the American Association of Cancer Research Annual Meeting

...ministered in doses ranging from 1 to 9nmol/kg via tail vein 15 minutes prior to radiation administration.Tumor diameter was measured twice a week for a total of 70days. Results Control animals showed a progressive increase in tumor volumeand all animals died by 53 days after tumor induction. As expecte...
tail at Medicine Definition

Hyperesthesia

... "What could cause a cat to twitch its back and tail uncontrollably? Feline Hyperesthesia...
tail at Medicine Dictionary

Venom

...that has an elongated body and a segmented, curved tail tipped with a venom ous stinger. A sting can be fatal to a person who is allergic to it. Full article >>> Venom from the brown recluse spider usually causes local tissue damage. The following are the most common symptoms of a bi...

Trichomoniasis

...ingle cell protozoan parasite with a whip-like tail that it uses to propel itself through vagina l and urethra l mucus. This sexually-transmitted disease ( STD ) is found worldwide. Full article >>> Trichomoniasis is a sexually transmitted disease ( STD ). It is sometimes called...

Epididymis

...>> Globus minor: The globus minor is the tail of the epididymis , a cordlike structure just behind the testis . The globus major is the head of the epididymis . Full article >>> is in the testicle and the epididymis and has spread to the blood or lymph vessels in the test...
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